Typo fix, s/How/Show/

index.html

@@ -51,7 +51,7 @@
                 <div class="controls">
                   <label class="checkbox" for="fingerprint">
                     <input type="checkbox" name="fingerprint" checked="checked" />
-                    How OpenPGP "fingerprints" for keys
+                    Show OpenPGP "fingerprints" for keys
                   </label>
                   <label class="checkbox" for="exact">
                     <input type="checkbox" name="exact" />
@@ -102,4 +102,4 @@
       </div>
     </div>
   </body>
-</html>
\ No newline at end of file
+</html>